Action qui consiste à préserver un élément et à le protéger de la détérioration

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

What is used as a template during replication? a- mrna b- trna c- rrna d- dna

Which statement does lola need to correct, and why? a) statement 1 because spiral galaxies do not havearmsb) statement 2 because the bulges contain mostlyyoung red stars. c) statement 3 because the arms are made of mostlyyoung blue and blue-white stars. d) statement 4 because spirals galaxies contain littleto no dust.(c)